vulnti.work

runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In runc 1.1.11 and earlier, due to an internal file descriptor leak, an attacker could cause a newl…

High CVSS 8.6
CVECVE-2024-21626
First seen2026-07-15 05:15 UTC
Disclosed2024-01-31 22:15 UTC
Last updated2026-07-20 12:30 UTC
Channel statusauto

Summary

runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In runc 1.1.11 and earlier, due to an internal file descriptor leak, an attacker could cause a newly-spawned container process (from runc exec) to have a working directory in the host filesystem namespace, allowing for a container escape by giving access to the host filesystem ("attack 2"). The same attack could be used by a malicious image to allow a container process to gain access to the host …

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

  • :
  • :
Lint boundary warnings (3)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://packetstormsecurity.com/files/176993/runc-1.1.11-File-Descriptor-Leak-Privilege-Escalation.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://packetstormsecurity.com/files/176993/runc-1.1.11-File-Descriptor-Leak-Privilege-Escalation.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://www.vicarius.io/vsociety/posts/leaky-vessels-part-1-cve-2024-21626

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD